Abstract: An apparatus includes a carding machine which has a web trumpet gathering a running fiber web into sliver and a calender roll pair arranged immediately downstream of the web trumpet for pulling the sliver therethrough. The apparatus further includes a sliver coiler having a rotary coiler head through which the sliver passes and a first sliver trumpet having an inlet which constitutes the inlet opening for the coiler head. A sliver drawing unit is arranged at the inlet opening for the coiler head for drawing the sliver running therethrough prior to entering the coiler head. Further, a second sliver trumpet is arranged at the inlet end of the drawing unit for guiding the sliver thereto.

Abstract: A combination of a sliver intake assembly for guiding and introducing simultaneously a plurality of slivers into a drawing frame and a suction assembly for removing waste, such as dust or fiber fly. The combination includes an emplacement situated below the sliver intake assembly for accommodating a plurality of coiler cans from which slivers are withdrawn by the sliver intake assembly. The suction assembly has a suction duct which extends along the sliver intake assembly in a region thereof for drawing waste thereinto by vacuum.

Abstract: An apparatus for detecting a foreign substance in a pneumatically advancing fiber tuft stream and for separating the foreign substance therefrom includes a conduit; an optical sensor arrangement situated at a first location of the conduit for detecting a foreign substance in flight and for emitting signals representing the foreign substance; a separating arrangement situated at a second location of the conduit downstream of the first location as viewed in the conveying direction; an evaluating device for processing the signals; and a control device connected to the optical sensor arrangement, the separating arrangement and the evaluating device for operating the separating arrangement.

Abstract: An apparatus for measuring the thickness of running sliver includes a body having inner walls defining a funnel-shaped cavity through which the sliver passes; a contact finger having an end portion for contacting the running sliver at the narrow end of the cavity; a support arrangement for movably securing the contact finger to the body; a device for urging the end portion of the contact finger into resilient contact with the running sliver for pressing the running sliver against a stationary component at the narrow end of the contact finger, whereby the contact finger performs excursions in response to thickness variations of the running sliver; and a transducer connected with the contact finger to transform displacements thereof into electrical signals. There is further provided an air stream generating arrangement for driving an air stream through the space which accommodates the contact finger, whereby the contact finger is exposed to the air stream.

Abstract: A coiler can handling apparatus includes a platform rotatable about a substantially vertical platform axis for rotating a coiler can standing thereon; a travelling coiler can exchanger for moving a coiler can onto and moving a coiler can off the platform; and a centering device for centering a coiler can on the platform relative to the platform axis. The centering device includes first, second and third support rollers for engaging a lateral surface of the coiler can supported upright on the platform. The first, second and third support rollers lie on a common imaginary cylinder having a cylinder axis. The centering device further has a positioning arrangement for holding the first, second and third support rollers at the platform, apart from the travelling coiler can exchanger, whereby the coiler can exchanger travels without carrying therewith the first, second and third support rollers.

Abstract: An apparatus for severing a fiber bale tie surrounding a fiber bale includes a bale advancing device for moving the fiber bale in an advancing direction along a travel path; a tie cutter for severing the tie; a bale position determining device for emitting a signal when the bale has reached a predetermined location along the travel path; and a device for moving the tie cutter transversely to the conveying direction from a remote position spaced from the bale into engagement with a bale surface when the bale has reached the predetermined location to effect severance of the tie as relative movement between the bale and said tie cutter takes place.

Abstract: An apparatus for detecting foreign substances in a fiber tuft stream and for separating the foreign substances therefrom, includes a conduit guiding the fiber tuft stream therethrough in a conveying direction; a metal detector situated at a first location of the conduit for detecting a metal substance in flight and for emitting signals representing the metal substance; a first separating device situated at a second location of the conduit downstream of the first location as viewed in the conveying direction; a first control device connected to the metal detector and the first separating device for operating the first separating device in response to a signal emitted by the metal detector for removing the detected metal substance; an optical sensor situated at a third location of the conduit for detecting a non-metal substance in flight and for emitting signals representing the non-metal substance; a second separating device situated at a fourth location of the conduit; a second control device connected to the

Abstract: An apparatus for detecting a foreign substance in a fiber tuft stream and for separating the foreign substance therefrom. The apparatus includes a conduit guiding the fiber tuft stream therethrough in a conveying direction; an optical sensor system situated at a first location of the conduit for detecting a foreign substance in flight and for emitting signals representing the foreign substance; a separating device situated at a second location of the conduit downstream of the first location as viewed in the conveying direction; an evaluating device for processing the signals; a control device connected to the optical sensor system, the separating device and the evaluating device for operating the separating device; and an opening device situated in the conduit upstream of the optical sensor system as viewed in the conveying direction for opening the fiber tufts prior to passage thereof past the optical sensor system.

Abstract: An apparatus for treating fiber and producing a fiber lap therefrom, includes a fiber feeder; a carding machine including a multi-roll licker-in assembly receiving the fiber material from the feeder, a main carding cylinder receiving fiber material from the licker-in assembly, a plurality of carding flats supported about a circumferential portion of the main carding cylinder and cooperating therewith, and a doffer receiving fiber material from the main carding cylinder; and a fiber lap forming device including a pneumatic fiber stripping device which has a blower for directing an airstream generally tangentially to the doffer for removing and entraining fiber material from the doffer, a hood having an inner face defining a chamber situated above and downstream of said doffer for receiving fiber material carried from the doffer by the airstream, a continuously driven, air-pervious receiving member having an upper face and an underside, and a suction device facing the underside of the receiving member for gener

Abstract: A fiber processing apparatus includes a plurality of serially-arranged fiber processing components for forming and advancing a fiber web and for gathering the web into a sliver. Some of the components are spaced by a clearance from one another such that the fiber web, while passing from one of the components to an adjoining, spaced component has a length portion unsupported by either of the adjoining components. There are further provided an imaging apparatus which has an illuminating device directing a light beam onto a surface area of the unsupported length portion of the running web; and a camera for sensing the light of the surface area lit by the illuminating device. An electronic image processing unit is connected to the camera for examining signals received therefrom.

Abstract: A drawing frame system includes first and second drawing frames, wherein the second drawing frame utilizes the sliver produced by the first drawing frame. A can filling device is situated at the output of the first drawing frame for charging consecutively supplied cans with sliver. The second drawing frame has first and second creel rows each holding a plurality of cans. Sliver is supplied to the second drawing frame from the cans alternatingly from the first and second creel rows. A coiler can transport system moves sliver-filled cans from the can filling device to the first and second creel rows and also moves empty cans from the first and second creel rows to the can filling device.

Abstract: A coiler can transporting assembly for advancing coiler cans in a transporting direction to a sliver-producing textile machine. The assembly includes coiler cans each having a bottom forming a conveying face; and a conveyor element having a discharge end and an upper transporting surface engaging the conveying face of the coiler cans when in an upright, standing position on the conveyor element. The conveying face and the transporting surface have a low friction value relative to one another. A can-stopping device is situated at a location along the conveyor element and has first and second states. In the first state the can-stopping device blocks advancement of a coiler can while the conveyor element continues to move in the transporting direction. In the second state the can-stopping device allows advancement of a coiler can therethrough.

Abstract: An apparatus for measuring sliver thickness in a drawing frame includes a sliver guiding device which has an inlet for simultaneously receiving a plurality of side-by-side running slivers having an advancing direction; and a sliver combining arrangement defining a plane extending parallel to the advancing direction for bringing the slivers together to form a sliver assembly constituted by a plurality of side-by-side positioned running slivers arranged in the plane and laterally contacting one another. A movable sensor element is situated at the apparatus outlet and laterally contacts the sliver assembly with an adjustable force. The sensor element undergoes excursions upon variation of thickness of the sliver assembly. The sensor element and a counterelement together define a restriction through which the sliver assembly passes. A transducer converts excursions of the sensor element into electric pulses.

Abstract: A system for charging a coiler can of elongated horizontal cross section with sliver obtained from a sliver producing fiber processing machine includes a stationarily supported rotary coiler head discharging sliver in coils; a sled disposed underneath the coiler head for receiving a coiler can in an upright orientation; and a sled-reciprocating device for imparting a rapid back-and-forth motion to the sled during discharge of sliver from the coiler head to effect a deposition of sliver coils into the coiler can along a length thereof.

Abstract: An apparatus for measuring sliver thickness in a drawing frame includes a sliver guiding device having converging inner wall faces for bringing a plurality of simultaneously introduced slivers together to form a sliver assembly constituted by side-by-side positioned running slivers arranged in a plane. The apparatus further includes a sensor element and a counterelement laterally contacting the sliver assembly from opposite sides. The sensor element has an operative position and a servicing position; in the servicing position the apparatus outlet is free for access from the exterior. The sensor element is urged into a resilient contact with the sliver assembly whereby the sensor element undergoes excursions upon variation of thickness of the sliver assembly. There is further provided a setting arrangement for selectively positioning the sensor element into the operative or servicing position. The sensor element and the counterelement together define a constriction through which the sliver assembly passes.

Abstract: A system for transporting sliver between a sliver-producing textile machine and a sliver-consuming textile machine includes a coiler can containing the sliver; a carriage for transporting the coiler can; and a can-handling arrangement for moving the coiler can onto and off the carriage. The can-handling arrangement has a can-pusher for tilting the coiler can standing externally of the carriage on an emplacement and a device for reaching underneath the can bottom.

Abstract: A fiber processing apparatus includes a rotary roll carrying a clothing and having an axis and a length measured parallel to roll axis; and an imaging apparatus which has an illuminating device directing a light beam onto a surface area of the clothing, a camera for sensing the light of the surface area lit by the illuminating device and an evaluating device connected to the camera for examining reflected local light intensity changes during rotation of the roll. There is provided an arrangement for presenting to the camera consecutive areas of the clothing surface along the entire roll length and an arrangement for triggering an operation of the camera and/or the illuminating device as a function of the roll rpm.

Abstract: An apparatus for handling flat coiler cans before, during and after filling the cans with sliver by a sliver producing textile machine. The apparatus includes an empty-can storing device; a full-can storing device; an intermediate space defined between the empty-can storing device and the full-can storing device; and a sliver filling station for receiving a can to be filled. The sliver filling station includes a can-reciprocating device for moving the can back and forth while sliver is deposited thereinto. The apparatus further includes a conveyor extending between the intermediate space and the sliver filling station for moving a can to be filled into and withdrawing a filled can from the sliver filling station; and a transferring device for transferring a can to be filled from the intermediate space onto the conveyor and for transferring a filled can from the conveyor into the intermediate space.

Abstract: An apparatus for feeding fiber tufts to a fiber processing textile machine includes a feed chute having upper and lower ends; a densifying air stream generating arrangement for introducing an air stream into the feed chute to densify the fiber tufts therein; a screen forming part of a lower region of the feed chute for separating the air stream from the fiber tufts; an air removal hood immediately adjoining the screen externally of the feed chute; and an arrangement for forcing the air stream through the screen openings out of the feed chute into and through the air removal hood.

Abstract: A method of processing and depositing sliver includes the following steps: drafting the running sliver in a drawing frame; forwarding the sliver by the drawing frame to a coiler head having a sliver outlet; depositing the sliver by the coiler head into a coiler can located underneath the coiler head; replacing a coiler can filled with sliver with an empty coiler can; and rupturing the sliver during the replacing step. To obtain the desired rupture of the sliver, the draft of the running sliver is increased in the drawing frame to such an extent as to provide a location of reduced thickness in the running sliver. Thereupon the filled can is moved away from under the coiler head when the location of reduced thickness in the running sliver is situated in a zone of the sliver outlet of the coiler head.